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Sidi-Rachid Cherkaoui

Cette personne a quitté l’EPFL

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Publications associées (150)

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A comparison of Nash equilibria analysis and agent-based modelling for power markets

Sidi-Rachid Cherkaoui, Elena Vdovina Beck

In this paper we compare Nash equilibria analysis and agent-based modelling for assessing the market dynamics of network-constrained pool markets. Power suppliers submit their bids to the market place in order to maximize their payoffs, where we apply rein ...

2006

Pipelined Numerical Integration on Reduced Accuracy Architectures for Power System Transient Simulations

Maher Kayal, Sidi-Rachid Cherkaoui, Georgios Lilis, Guillaume Olivier Lanz, Theodoros Kyriakidis

This work concerns a dedicated mixed-signal power system dynamic simulator. The equations that describe the behavior of a power system can be decoupled in a large linear system that is handled by the analog part of the hardware, and a set of differential e ...

IEEE2014

Enhanced electrical model of Lithium-based batteries accounting the charge redistribution effect

Mario Paolone, Sidi-Rachid Cherkaoui, Dimitri Torregrossa, Maryam Bahramipanah

Within the context of the electrical circuit modeling of batteries, this paper proposes an improvement of the most common electric equivalent circuit used for Lithium cells. The main improvement is based on the modeling of the so-called charge redistributi ...

Wroclaw University of Technology2014

Analytical Approach for Active Distribution Network Restoration Including Optimal Voltage Regulation

Sidi-Rachid Cherkaoui, Hossein Sekhavatmanesh

The ever-increasing utilization of sensitive loads in the industrial, commercial, and residential areas in distribution networks requires enhanced reliability and quality of supply. This can be achieved, thanks to self-healing features of smart grids that ...

IEEE Institute of Electrical and Electronics Engineers2019

Real-Time State Estimation of the EPFL-Campus Medium-Voltage Grid by Using PMUs

Mario Paolone, Jean-Yves Le Boudec, Sidi-Rachid Cherkaoui, Paolo Romano, Dan-Cristian Tomozei, Marco Pignati, Maaz Mashood Mohiuddin, Lorenzo Zanni, Styliani Sarri, Teklemariam Tsegay Tesfay, Sergio Barreto Andrade

We describe the real-time monitoring infrastructure of the smart-grid pilot on the EPFL campus. We experimentally validate the concept of a real-time state-estimation for a 20 kV active distribution network. We designed and put into operation the whole inf ...

2015

Grid-cognizant TSO and DSO coordination framework for active and reactive power flexibility exchange: The Swiss case study

Sidi-Rachid Cherkaoui

This paper first designs a holistic coordination framework between transmission system operator (TSO) and distribution system operators (DSOs) to modernize traditional top-to-down (from transmission system to distribution systems) power flexibility provisi ...

Elsevier2024

An Exact Convex Formulation of the Optimal Power Flow in Radial Distribution Networks Including Transverse Components

Mario Paolone, Jean-Yves Le Boudec, Sidi-Rachid Cherkaoui, Mostafa Nick

The recent literature discusses the use of the relaxed Second Order Cone Programming (SOCP) for formulating Optimal Power Flow problems (OPF) for radial power grids. However, if the shunt parameters of the lines that compose the power grid are considered, ...

2018

Investigation of the Blackouts Complexity Regarding Spinning Reserve and Frequency Control in Interconnected Power Systems

Mario Paolone, Sidi-Rachid Cherkaoui, Mokhtar Bozorg, Omid Alizadeh Mousavi

The dynamics of power system blackouts and the associated Self-Organized Criticality (SOC) behavior is a subject that receives continuous attention in view of its inherent complexity and relevant consequences. Within this context, the paper focuses on the ...

IEEE Power Engineering Society2012

Three- or Two-Stage Stochastic Market-Clearing Algorithm?

Sidi-Rachid Cherkaoui, Farzaneh Abbaspourtorbati

As the power industry considers moving from a deterministic paradigm to a stochastic one to clear the day-ahead market in systems with significant stochastic production, the following question arises: how should a stochastic clearing algorithm be formulate ...

IEEE Institute of Electrical and Electronics Engineers2017

A Novel Decomposition Solution Approach for the Restoration Problem in Distribution Networks

Sidi-Rachid Cherkaoui, Hossein Sekhavatmanesh

The distribution network restoration problem is by nature a mixed integer and non-linear optimization problem due to the switching decisions and Optimal Power Flow (OPF) constraints, respectively. The link between these two parts involves logical implicati ...

IEEE Institute of Electrical and Electronics Engineers2020

Optimizing a Battery Energy Storage System for Frequency Control Application in an Isolated Power System

Sidi-Rachid Cherkaoui, Alexandre Oudalov

This paper presents a method for optimal sizing and operation of a battery energy storage system (BESS) used for spinning reserve in a small isolated power system. Numerical simulations are performed on a load-frequency control (LFC) dynamic simulator of t ...

IEEE Institute of Electrical and Electronics Engineers2009

Maximum Voltage Stability Margin Problem With Complementarity Constraints for Multi-Area Power Systems

Sidi-Rachid Cherkaoui, Omid Alizadeh Mousavi

This paper studies the multi-area voltage and reactive power management regarding the voltage stability. In this respect, the maximization of effective reactive power reserve is proposed using centralized and decentralized implementations. The proposed for ...

IEEE Institute of Electrical and Electronics Engineers2014

Experimental investigation of repurposed Kaplan turbines as variable-speed propellers for maximizing Frequency Containment Reserve

Mario Paolone, Sidi-Rachid Cherkaoui, Elena Vagnoni, Francesco Gerini, Martin Seydoux

This study explores the practical viability of repurposing aging Kaplan turbines into variable-speed propellers by employing full-size frequency converters. The motivation behind this approach is to improve the provision of Frequency Containment Reserve (F ...

Elsevier2024

Experimental Evidences of Redistribution Phenomenon in Supercapacitors and Consequent Improvement of their Dynamic Model

Mario Paolone, Sidi-Rachid Cherkaoui, Dimitri Torregrossa, Maryam Bahramipanah

The paper presents a set of experimental investigations related to the study of the dynamic behavior of supercapacitors. The experimentally-inferred results are then used as inputs for an improved version of one of the most common supercapacitor RC-circuit ...

2013

Optimal Planning of Distributed Energy Storage Systems in Active Distribution Networks Embedding Grid Reconfiguration

Mario Paolone, Sidi-Rachid Cherkaoui, Mostafa Nick

In this paper we present a procedure for the optimal siting and sizing of Energy Storage Systems (ESSs) owned, and directly controlled by network operators of Active Distribution Networks (ADNs). The peculiarity of the proposed planning procedure consists ...

IEEE Institute of Electrical and Electronics Engineers2018

Optimal Allocation of Dispersed Energy Storage Systems in Active Distribution Networks for Energy Balance and Grid Support

Mario Paolone, Sidi-Rachid Cherkaoui, Mostafa Nick

Dispersed storage systems (DSSs) can represent an important near-term solution for supporting the operation and control of active distribution networks (ADNs). Indeed, they have the capability to support ADNs by providing ancillary services in addition to ...

IEEE Institute of Electrical and Electronics Engineers2014

Allocation of Active Power Reserve from Active Distribution Networks Using a Cost-Benefit Approach: Application to Swissgrid Network

Sidi-Rachid Cherkaoui, Fabrizio Sossan, Mokhtar Bozorg, Mohsen Kalantar Neyestanaki

The flexibility of distributed energy resources (DERs) accommodated in active distribution networks (ADNs) can be aggregated and then used to provide ancillary services to the transmission system. In this context, this paper presents a linear optimization ...

IEEE2019

Tunable floating active inductor with internal offset reduction

Maher Kayal, Sidi-Rachid Cherkaoui, François Krummenacher, Marc Pastre, Laurent Fabre, Ira Nagel

Presented is a transistor-level implementation of a floating and tunable CMOS active inductor. It is based on the classical gyrator-C topology and is enhanced by adding an internal offset reduction mechanism to guarantee functionality also for unbalanced D ...

2012

State Estimation of Active Distribution Networks: Comparison Between WLS and Iterated Kalman-Filter Algorithm Integrating PMUs

Mario Paolone, Sidi-Rachid Cherkaoui, Carlo Alberto Nucci, Styliani Sarri

One of the challenging tasks related to the realtime control of Active Distribution Networks (ADNs) is represented by the development of fast (i.e. sub-second) state estimation (SE) processes. As known, the problem of SE of power networks links the measure ...

IEEE Power Engineering Society and Technische Universität Berlin, Germany2012

Hierarchical electricity-carbon trading for regional virtual federated prosumers

Sidi-Rachid Cherkaoui

Facing the dilemma of mitigating carbon emissions and growing energy demand, this paper proposes a hierar-chical electricity-carbon trading mechanism for virtual federated prosumers (VFPs) in regional markets. At the inter-regional level, a trading platfor ...

Elsevier2023